Search results for geological time scale

Earth Sciences Jun 8, 2026

Ocean collapse triggered ancient wildfires, research suggests

Research led by the University of Alabama found that widespread wildfires during one of Earth's ancient environmental crises did not trigger an ocean collapse but were a consequence of it.

Astrobiology Jun 4, 2026

ExoMars rover targets vast bed of clay in search for life

In the region where the ExoMars Rosalind Franklin rover will search for signs of life, clay deposits extend beyond previous estimates, a new study finds. One hypothesis even suggests a vast ocean once covered the landing ...

Earth Sciences Jun 3, 2026

Giant fan-shaped structure found under East Antarctica

An international team of researchers including our Department of Geography has discovered a vast geological structure hidden beneath the East Antarctic Ice Sheet. The findings are published in the journal Nature Geoscience.

Earth Sciences May 30, 2026

A 'supereruption' transformed NZ 350,000 years ago—we now know how it happened

Some 350,000 years ago, the center of New Zealand's North Island appeared much different than the mountainous, scrub-covered landscape it is today. Amid a glacial period, temperatures were colder and conditions harsher. Vast ...

Earth Sciences May 28, 2026

From the seabed to Mars: Why geological maps matter

From Australia's remote deserts to the surface of Mars, geological mapping underpins how we understand landscapes, natural resources, and the processes that shape our planet and others beyond it.

Earth Sciences May 28, 2026

Deep beneath Utah, rare mantle earthquakes reshape seismic hazard questions

Nearly 50 years ago, a puzzling earthquake beneath northern Utah jolted scientists' understanding of how Earth works. Now, research from the University of Utah confirms that the mysterious event was real, and part of a rare ...

Earth Sciences May 22, 2026

Some technologies use accelerated natural processes to capture carbon, but can they store it durably?

Natural geological processes have been regulating Earth's climate for millions of years. Accelerated versions of these processes are now being promoted as technologies to draw down carbon from the atmosphere—and some are ...

Earth Sciences May 22, 2026

Arctic thaw unleashes mining-like pollution across hundreds of Arctic waterways

Thawing permafrost is rapidly transforming dozens of Arctic streams into acidic, metal-laden waterways, according to new research published in Science. The study shows how thawing permafrost exposes sulfide minerals that ...

Earth Sciences May 22, 2026

Atlas reveals rocks with rare earth element potential, helping pinpoint new deposits

A new atlas charts the global distribution of unusual, critical-metal-bearing igneous rocks, finding that they often form near the thick and ancient cores of the world's major continents. Researchers from Cambridge's Department ...

Earth Sciences May 21, 2026

Ice core discovery finds volcanic eruptions could cause greater global disruption than previously thought

New research from the University of St Andrews has precisely dated an eruption from Newberry Volcano and discovered that its ash spread more than 5,000 km across the globe, far further than previously thought for an eruption ...

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